OT-2026-000001331
Publication integrity record
Door opening and closing robot and method of opening and closing door using the same
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000001331) never changes.
Identity and time
| Publication number | OT-2026-000001331 · never reused |
|---|---|
| Internal UUID | 01a0a675-54cf-7b5e-82fb-688bb6e02efd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:05:02.415449Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001331 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3370db75c33baa6816d6c58655c73827fee8db2aa07a815609755c46c6c265a2 |
|---|---|
| Markdown | 6665b299095e55c1d2969f6f1193abf51c929be7c648b9cafa0e631606be1d8d |
| Publication page | ddb898e2c3e9f17b613d2189f2a5865ed659eca2466a7f10a332698fcd669a95 |
| Manifest | 8648ab911deb4c5677ae75621db2f9afe6fd850d4f4e10a8bd842c33155cef93 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | 6ANwy67TNfrDGNfWIQctAlHrx/nkr1NUEPBk946SRuty5I22CJdW+xMn5DHrVMIQJswoLib+/k3CKng9nCJQAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-10-05T20:41:38.104075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001331observed ddb898e2c3e9f17b613d2189f2a5865e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T20:41:38.052167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001331/manifest.jsonobserved 8648ab911deb4c5677ae75621db2f9af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:38.007221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001331/publication.mdobserved 6665b299095e55c1d2969f6f1193abf5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:37.825068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001331/publication.txtobserved 3370db75c33baa6816d6c58655c73827...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:29.047113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001331observed ddb898e2c3e9f17b613d2189f2a5865e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:28.989147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001331/manifest.jsonobserved 8648ab911deb4c5677ae75621db2f9af...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:28.975908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001331/publication.txtobserved 3370db75c33baa6816d6c58655c73827...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|